Simpson Manufacturing Co., Inc.
SSD- Exchange
- NYSE
- Industry
- Cutlery, Handtools & General Hardware
- SEC CIK
- 0000920371
In the last 90 days, Simpson Manufacturing Co., Inc. insiders filed 0 open-market purchases and 2 sales; 489 institutions reported holding it in 13F filings for Q2 2026, worth $8.59B in total; ValueAct Capital is the only superinvestor holding it.
13F holders, Q1 2026
Institutional positions in Simpson Manufacturing Co., Inc. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 463
- +32 vs. Q4 2025
- Shares held
- 40.9M
- +3.67M (+9.8%) vs. Q4 2025
- Total value
- $7.02B
- +$996.5M (+16.6%) vs. Q4 2025
- New holders
- 69
- 149 more added
- Sold out
- 37
- 164 more reduced
8 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting SSD on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 489 | $8.59B |
| Q1 2026 | 463 | $7.02B |
| Q4 2025 | 439 | $6.78B |
| Q3 2025 | 437 | $6.93B |
| Q2 2025 | 433 | $6.65B |
| Q1 2025 | 427 | $6.55B |
| Q4 2024 | 422 | $6.87B |
| Q3 2024 | 415 | $7.79B |
| Q2 2024 | 397 | $6.96B |
| Q1 2024 | 393 | $8.21B |
| Q4 2023 | 383 | $7.86B |
| Q3 2023 | 362 | $5.79B |
| Q2 2023 | 326 | $5.31B |
| Q1 2023 | 320 | $4.25B |
| Q4 2022 | 304 | $3.39B |
| Q3 2022 | 298 | $3.02B |
| Q2 2022 | 301 | $3.91B |
| Q1 2022 | 310 | $4.22B |
| Q4 2021 | 302 | $5.51B |
| Q3 2021 | 293 | $4.14B |
| Q2 2021 | 288 | $4.25B |
| Q1 2021 | 302 | $3.99B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Simpson Manufacturing Co., Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Whittier Trust Co | 97,529 | $16.3M | 0.18% | +8,877+10.0% | Added |
| Cornerstone Capital, Inc. | 105,652 | $18.1M | 1.81% | −57−0.1% | Reduced |
| Fifth Third Bancorp | 106,057 | $18.2M | 0.03% | +105,174+11,911.0% | Added |
| Rhumbline Advisers | 109,389 | $18.8M | 0.02% | +1,184+1.1% | Added |
| River Road Asset Management, LLC | 119,002 | $20.4M | 0.23% | −19,124−13.8% | Reduced |
| Select Equity Group, L.P. | 122,468 | $21.0M | 0.11% | −37,081−23.2% | Reduced |
| Gotham Asset Management, LLC | 125,688 | $21.6M | 0.07% | +86,686+222.3% | Added |
| Envestnet Asset Management Inc | 129,077 | $22.2M | 0.01% | +1,976+1.6% | Added |
| T. Rowe Price Investment Management, Inc. | 129,191 | $22.2M | 0.02% | −137−0.1% | Reduced |
| Cooke & Bieler LP | 135,834 | $23.3M | 0.26% | +6,149+4.7% | Added |
| Ameriprise Financial Inc | 144,697 | $24.8M | 0.01% | −129,167−47.2% | Reduced |
| Segall Bryant & Hamill, LLC | 150,936 | $25.9M | 0.37% | −3,589−2.3% | Reduced |
| Ranger Investment Management, L.P. | 154,911 | $26.6M | 1.92% | −1,195−0.8% | Reduced |
| Adage Capital Partners GP, L.L.C. | 157,500 | $27.0M | 0.04% | +7,500+5.0% | Added |
| SEI Investments Co | 163,201 | $28.0M | 0.03% | +8,923+5.8% | Added |
| Capital World Investors | 172,813 | $29.7M | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 173,395 | $29.8M | 0.01% | −22,908−11.7% | Reduced |
| Massachusetts Financial Services Co | 173,753 | $29.8M | 0.01% | +15,158+9.6% | Added |
| AQR Capital Management LLC | 178,972 | $30.4M | 0.01% | +20,692+13.1% | Added |
| Riverbridge Partners LLC | 180,977 | $31.1M | 0.76% | −43,159−19.3% | Reduced |
| Bessemer Group Inc | 181,480 | $31.1M | 0.05% | +3,666+2.1% | Added |
| State Farm Mutual Automobile Insurance Co | 181,873 | $31.2M | 0.02% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 199,543 | $34.2M | 0.03% | −3,812−1.9% | Reduced |
| Price T Rowe Associates Inc | 205,536 | $35.3M | 0.00% | −61,909−23.1% | Reduced |
| GW&K Investment Management, LLC | 212,533 | $36.5M | 0.32% | −6,737−3.1% | Reduced |
| Schroder Investment Management Group | 247,270 | $41.3M | 0.03% | +89,302+56.5% | Added |
| Disciplined Growth Investors Inc | 241,565 | $41.5M | 0.85% | −18,665−7.2% | Reduced |
| Federated Hermes, Inc. | 251,443 | $43.2M | 0.07% | −5,312−2.1% | Reduced |
| Champlain Investment Partners, LLC | 254,525 | $43.7M | 0.55% | −61,465−19.5% | Reduced |
| Vanguard Fiduciary Trust Co | 258,071 | $44.3M | 0.01% | +258,071 | New |
| Royce & Associates LP | 285,807 | $49.1M | 0.48% | −5,239−1.8% | Reduced |
| Bank of America Corp | 291,314 | $50.0M | 0.00% | +11,272+4.0% | Added |
| Bank of New York Mellon Corp | 296,611 | $50.9M | 0.01% | +5,121+1.8% | Added |
| Allspring Global Investments Holdings, LLC | 304,024 | $52.0M | 0.09% | −20,467−6.3% | Reduced |
| Brown Advisory Inc | 303,624 | $52.1M | 0.09% | −23,982−7.3% | Reduced |
| Snyder Capital Management L P | 309,099 | $53.0M | 1.03% | +8,534+2.8% | Added |
| Raymond James Financial Inc | 324,054 | $55.3M | 0.02% | −46,493−12.5% | Reduced |
| Wells Fargo & Company | 397,844 | $68.3M | 0.01% | −13,799−3.4% | Reduced |
| Port Capital LLC | 408,069 | $70.0M | 3.11% | −636−0.2% | Reduced |
| Goldman Sachs Group Inc | 414,207 | $71.1M | 0.01% | −80,187−16.2% | Reduced |
| Victory Capital Management Inc | 423,666 | $72.7M | 0.05% | +25,719+6.5% | Added |
| Fiduciary Management Inc | 434,209 | $74.5M | 0.92% | −20,986−4.6% | Reduced |
| Charles Schwab Investment Management Inc | 506,695 | $87.0M | 0.01% | +20,929+4.3% | Added |
| Maren Capital LLC | 510,390 | $87.6M | 4.58% | −1,366−0.3% | Reduced |
| JPMorgan Chase & Co | 568,213 | $95.0M | 0.01% | −181,435−24.2% | Reduced |
| Northern Trust Corp | 580,976 | $99.7M | 0.01% | +14,838+2.6% | Added |
| First Trust Advisors LP | 582,201 | $99.9M | 0.07% | +34,598+6.3% | Added |
| Conestoga Capital Advisors, LLC | 605,281 | $103.9M | 2.07% | −244,069−28.7% | Reduced |
| Bank of Montreal | 648,001 | $111.2M | 0.05% | −30,489−4.5% | Reduced |
| Capital International Investors | 663,195 | $113.8M | 0.03% | 00.0% | Unchanged |
| Neuberger Berman Group LLC | 760,096 | $130.4M | 0.10% | +16,933+2.3% | Added |
| Geode Capital Management, LLC | 787,667 | $135.2M | 0.01% | +22,345+2.9% | Added |
| Quantinno Capital Management LP | 857,918 | $147.2M | 0.25% | +4,168+0.5% | Added |
| Dimensional Fund Advisors LP | 870,425 | $149.4M | 0.03% | −7,845−0.9% | Reduced |
| Baker Avenue Asset Management, LP | 914,702 | $157.0M | 3.58% | −26,421−2.8% | Reduced |
| State Street Corp | 1,271,188 | $218.2M | 0.01% | +26,822+2.2% | Added |
| Morgan Stanley | 1,297,261 | $222.6M | 0.01% | −208,127−13.8% | Reduced |
| ValueAct Holdings, L.P.SuperinvestorValueAct Capital | 1,398,042 | $239.9M | 4.20% | −74,100−5.0% | Reduced |
| Vanguard Capital Management LLC | 1,864,047 | $319.9M | 0.01% | +1,864,047 | New |
| Vanguard Portfolio Management LLC | 1,927,556 | $330.8M | 0.02% | +1,927,556 | New |
| FMR LLC | 2,646,302 | $454.2M | 0.02% | +503,755+23.5% | Added |
| Kayne Anderson Rudnick Investment Management LLC | 3,885,449 | $666.8M | 1.96% | −131,373−3.3% | Reduced |
| BlackRock, Inc. | 4,031,756 | $691.9M | 0.01% | +25,156+0.6% | Added |
| Millennium Management LLC | 0 | $0 | 0.00% | −23,177−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −21,000−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −19,045−100.0% | Sold out |
| Lazard Asset Management LLC | 0 | $0 | 0.00% | −10,799−100.0% | Sold out |
| Holocene Advisors, LP | 0 | $0 | 0.00% | −10,598−100.0% | Sold out |
| Potrero Capital Research LLC | 0 | $0 | 0.00% | −9,141−100.0% | Sold out |
| Natixis | 0 | $0 | 0.00% | −7,373−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −3,640−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −3,522−100.0% | Sold out |
| Oak Thistle LLC | 0 | $0 | 0.00% | −3,328−100.0% | Sold out |
| GTS Securities LLC | 0 | $0 | 0.00% | −3,031−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −2,976−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −2,697−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −2,600−100.0% | Sold out |
| Tudor Investment Corp Et Al | 0 | $0 | 0.00% | −2,271−100.0% | Sold out |
| Janney Montgomery Scott LLC | 0 | $0 | 0.00% | −2,151−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −2,095−100.0% | Sold out |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0 | $0 | 0.00% | −2,000−100.0% | Sold out |
| Park Avenue Securities LLC | 0 | $0 | 0.00% | −1,840−100.0% | Sold out |
| Axxcess Wealth Management, LLC | 0 | $0 | 0.00% | −1,738−100.0% | Sold out |
| RMB Capital Management, LLC | 0 | $0 | 0.00% | −1,576−100.0% | Sold out |
| Congress Asset Management Co | 0 | $0 | 0.00% | −1,538−100.0% | Sold out |
| Scientech Research LLC | 0 | $0 | 0.00% | −1,362−100.0% | Sold out |
| Farringdon Capital, Ltd. | 0 | $0 | 0.00% | −1,340−100.0% | Sold out |
| Forum Financial Management, LP | 0 | $0 | 0.00% | −1,283−100.0% | Sold out |
| Kestra Advisory Services, LLC | 0 | $0 | 0.00% | −530−100.0% | Sold out |
| SageView Advisory Group, LLC | 0 | $0 | 0.00% | −399−100.0% | Sold out |
| Harbor Investment Advisory, LLC | 0 | $0 | 0.00% | −255−100.0% | Sold out |
| Stephenson National Bank & Trust | 0 | $0 | 0.00% | −216−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −186−100.0% | Sold out |
| Danske Bank A/S | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Flagship Harbor Advisors, LLC | 0 | $0 | 0.00% | −71−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −67−100.0% | Sold out |
| Torren Management, LLC | 0 | $0 | 0.00% | −32−100.0% | Sold out |
| Optiver Holding B.V. | 0 | $0 | 0.00% | −15−100.0% | Sold out |
| Elyxium Wealth, LLC | 0 | $0 | 0.00% | −11−100.0% | Sold out |
| Dunhill Financial, LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |